A conjecture in number theory regarding the sequences generated by applying the forward difference operator to consecutiveprime numbers and leaving the results unsigned, and then repeating this process on consecutive terms in the resulting sequence, and so forth. The first term in every such sequence appears to be 1.
Origin
Named after mathematician Norman L. Gilbreath, who presented it in 1958.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.